Upgrade Wf-8955-Mba Power Converter?Assembly For Wf-8955Pec And Parallax 7155 Compatible with: WF-8955 WF-8900 series, Parallax 7145 and 7155 Power Center. Product Features Compatible with: WF-8955 WF-8900 series, Parallax 7145 and 7155 Power Center. With a current output of 55 amps, it can boost a 200AH battery to over 99% in less than 4 hours. Easy to install with just two screws, three AC wires and two DC wires. No rewiring is required and installation takes only 10 minutes! Its a Three-Stage Converter Charger from AC to DC used for travel trailers . Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!